List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5); numbers.forEach(number -> System.out.println(number)); List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5); List<Integer> evenNumbers = numbers.stream() .filter(number -> number % 2 == 0) .collect(Collectors.toList()); <dependency> <groupId>com.kerner.utilities</groupId> <artifactId>kerner-utilities-collections</artifactId> <version>1.0.0</version> </dependency>